RIVER GAUGE · GRAND RIVER (SD)
Grand River (SD) near Little Eagle
Corson County, South Dakota
Water level2.76 ft
Flow—
Last readingSep 16, 2026, 4:15 PM UTC (last recorded)
Action13 ft13,070 cfs
Minor flood15 ft14,790 cfs
Moderate flood17 ft20,010 cfs
Major flood21 ft37,000 cfs
The past week
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What floods at each level
- 22 ft
Water levels will reach the low steel of the bridge on Highway 63
- 21 ft
The community of Little Eagle begins to experience some flooding
- 17 ft
Extensive flooding of pasture land begins as both banks of the river are overtopped
- 15 ft
Low-lying pasture and hay land along the river begins to flood
Highest crests on record
| Date | Level | Flow |
|---|---|---|
| Mar 21, 2009 | 24.6 ft | 32,400 cfs |
| Mar 16, 2011 | 21.27 ft | 16,000 cfs |
| Mar 11, 1972 | 21.01 ft | 15,000 cfs |
More on Grand River (SD)
UpstreamShadehill Reservoir
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